Modular-Design Flow Meter Adjusts to Meet Changing Flow Conditions
Oil/Gas, Chemical, Electric Power, Facilities Control, Food/Beverage, Water/Waste
Hemet, CA-May 1, 2008-Production, process and plant engineers will find the highly flexible Wafer-Cone Flow Meter from McCrometer features a modular design that lets them easily and economically replace the flow element to adjust to changing flow conditions in dynamic processes.
The unique Wafer-Cone Flow Meter relies on differential pressure technology with built-in flow conditioning to achieve an accuracy of +0.5%, with a repeatability of +0.1%. It operates over a flow range of 10:1. It is designed for liquid or gas service in line sizes from 0.5 to 6 inches, which makes it ideal for a wide range of applications, from natural gas wells to small process lines and many plant infrastructure tasks.
With the ability to self-condition flow, the Wafer-Cone Flow Meter is a real space-saver. It eliminates the need for extensive up/down stream straight pipe runs required by other DP technologies, such as orifice plates and venturi tubes. It can be installed virtually anywhere in a piping system or be easily retrofit into an existing piping layout, resulting in significant installation flexibility and initial cost savings.
Unlike traditional DP instruments such as orifice plates and venturi tubes, the Wafer-Cone Flow Meter's design is inherently more accurate because the flow conditioning function is built-into the basic flow sensor design. The Wafer-Cone conditions fluid flow to provide a stable flow profile that increases accuracy. The flow sensor's design features a centrally-located cone inside a tube. The cone interacts with the fluid flow and reshapes the velocity profile to create a lower pressure region immediately downstream.
The pressure difference, which is exhibited between the static line pressure and the low pressure created downstream of the cone, can be measured via two pressure sensing taps. One tap is placed slightly upstream of the cone and the other is located downstream of the cone. The pressure difference can then be incorporated into a derivation of the Bernoulli equation to determine the fluid flow rate.
The cone's central position in the line optimizes the velocity of the liquid flow at the point of measurement. It forms very short vortices as the flow passes the cone. These short vortices create a low amplitude, high frequency signal for excellent signal stability. The result is a highly stable flow profile that is repeatable for continuous accurate measurement. All of this is possible with a minimal straight pipe run of 0 to 3 diameters upstream and 0 to 1 diameters downstream from the flow meter. The field-proven Wafer-Cone is an easy to install space-saving flow meter that requires almost no maintenance. Wafer-Cone's low maintenance combined with its long life results in lower total installation and life-cycle costs than many other flow meters.
About McCrometer McCrometer's advanced liquid, steam and gas flow measurement solutions solve complex challenges in Municipal/Industrial Water & Wastewater, Oil & Gas, Process Control & Plant, Electric Power Generation, Institutional Facilities and Agriculture. The company's products and systems are found in thousands of installations worldwide. Its products and systems meet many of the world's most demanding industrial, safety and quality standards. Visit us on the web at www.mccrometer.com
Company Contact: Gregg McCall, VP Marketing Company Address: 3255 W Stetson Ave, Hemet, CA 92545 Product Brochure: http://www.mccrometer.com/library/pdf/24509-49.pdf Web: http://www.mccrometer.com Tel: 800-220-2279 Tel: 951-652-6811 Fax: 951-652-3078 Editor's Contact: Randy Brown: 909-335-1941 Email: brownr@rbmarketing.com
Company Information: Name: McCrometer, Inc. Address: 3255 W. Stetson Ave. City: Hemet State: CA ZIP: 92545 7799 Country: USA Phone: 909-652-6811 FAX: 909-652-3078 http://www.mccrometer.com
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